Mathematics, 18.11.2019 06:31 bojcorz6567

Iready quiz lesson using mean and mean absolute deviation to compare data

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Answer from: Quest

B.the point lies directly on the regression

Answer from: Quest

answer: 28.56 feet (approx)

step-by-step explanation:

since, triangle abc has measure of angle c equal to 55 degrees, measure of angle abc equal to 90 degrees, and length of bc equal to 20 feet.

we have to find out the measurement of segment ab.

therefore, tan 55° = $\frac{ab}{bc}$

but bc = 20 feet.

⇒ tan 55 ° = $\frac{ab}{20}$

⇒ ab = 20 × tan 55 °

⇒ ab = 20 × 1.42814800674

⇒ ab = 28.5629601348 ≈ 28.56 feet

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